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  1. 360Duster75

    Big Block seems to slow

    13.89 @ 100mph now. New plug wires, plugs and distributor cap, with a little more tuning woke it up tremendously. I’m happy with it now but it still a weird car because it doesn’t run on the ignition box since previous owner had points setup in it. But going to keep it like it is and build a...
  2. 360Duster75

    Big Block seems to slow

    Got it to where it comes off the line nice after a lot of tuning last night and today but now I have popping in the exhaust at around 3k Rpm. Chasing that issue now but slowly getting better. This car was held together with boogers and bubble gum I swear.
  3. 360Duster75

    Big Block seems to slow

    That’s what I’m wanting is a double pumper. Got it to where it’s way better after I adjusted the flap on the secondaries and made the whole difference. It doesn’t completely die when I floor it from a stop now just slow. Gears will fix that issue and probably a performance ignition box.
  4. 360Duster75

    Big Block seems to slow

    It’s getting way to much fuel in it. Put the accelerator pump on lowest point and helped it out but not a whole lot. Going to pull the jets and see what they are and go smaller if needed to see if that helps.
  5. 360Duster75

    Big Block seems to slow

    So the issue is stock cam(if not stock not much bigger) big intake and big carb. Probably going to go down to a 600cfm from the 750 that’s on it and see if that helps more. But at this point I’m Just glad I got it to where it actually runs decent.
  6. 360Duster75

    Big Block seems to slow

    First track results was a 14.4 @ 96 the thing is a pig off the line bogs hard unless I slow roll into the throttle. But once off the line it picks up great. The 2.94 gears ain’t helping at all so guess that and going to a dual plane RPM intake vs the huge single plane I have on it.
  7. 360Duster75

    Big Block seems to slow

    Rebuilt the carb (found sticking rear blades not opening), retimed again set to 12* initial and 36* total (probably off from ideal due to where the timing marks are hidden under the water pump but seems to be the best I can get for now), new kick down cable, and readjusted shift linkage pretty...
  8. 360Duster75

    Big Block seems to slow

    When you come from a mid 9 second daily driven hellcat everything seems slow just not this slow.
  9. 360Duster75

    Big Block seems to slow

    Well guy said it had a small cam in it but is also the same guy who had a copper tube rigged for a kick down so I’m sure it’s stock. Going to run through the rear gears and compression test today.
  10. 360Duster75

    Big Block seems to slow

    If I didn’t tune it first I wouldn’t have posted in here
  11. 360Duster75

    Big Block seems to slow

    I picked up a 73 Duster that was supposed to be a 440 big block but ended up being a 65 361bb. I was a little pissed at first but got over it because it still runs and drives fine has the 727 and 8 3/4 rear decent interior and body. But my issues have started now. I installed a kick down cable...
  12. 360Duster75

    trouble with new plug wires and distributer

    Found problem the accel wires were falling apart in th boot causing it not to spark or not spark at all. MSD wires fixed it.
  13. 360Duster75

    trouble with new plug wires and distributer

    This is the pos I'm working with some no name HEI. Only thing I can come up with is the accels are falling apart in the boots. Looks messy but at this point I disconnected all the wires.
  14. 360Duster75

    trouble with new plug wires and distributer

    Comment with a legit answer or don't comment at all.
  15. 360Duster75

    trouble with new plug wires and distributer

    No didn't pull it out any its a vacuum advance.
  16. 360Duster75

    trouble with new plug wires and distributer

    I think that's the problem its not clocking the same. That or the cheapo acells I got are falling apart already.
  17. 360Duster75

    trouble with new plug wires and distributer

    I kinda worded title wrong the dizzy isn't new and I'm not sure what brand it is honestly no markings or numbers which is odd. I'm thinking of just buying a new mad one.
  18. 360Duster75

    trouble with new plug wires and distributer

    Have them set up going counter clock wise.
  19. 360Duster75

    trouble with new plug wires and distributer

    I'm having hell in a hand basket in my 440 now. The distributer I have is a pita because I've never seen it and can't find a diagram for the wires to go on to it so my car is backfiring and won't start and I have the fireing order right I believe.18436572 not sure what's going on.
  20. 360Duster75

    Need help with my 440 problems. (new to BB)

    *update* adjusted carb and now I have more power and can drive it now but still need to regime it. It is a night and day difference with just getting fuel right.
  21. 360Duster75

    Show Your Big Block A body!

    My 74 440 Duster picked it up this past Saturday.
  22. 360Duster75

    Need help with my 440 problems. (new to BB)

    Car is staying in Colorado with me. It came up from Arkansas. I'm going tear into it this weekend and do all the small things.
  23. 360Duster75

    Need help with my 440 problems. (new to BB)

    Lol yea I got this as a project so nothing that's going on is in expected just wanna get it half way decent for some weekend drives. The Engine is bone stock minus the carb. The more I tinker with it the more I'm thinking ignition timing is off.
  24. 360Duster75

    Need help with my 440 problems. (new to BB)

    That's all possible I'm doing timing and all this weekend its not a big deal I got it as a project car and to cruise around the base and city on weekends. I'm gonna redo the whole engine when I get back from deployment.
  25. 360Duster75

    Need help with my 440 problems. (new to BB)

    As title says I have a few problems with my 440 in my 74 Duster. I got the car a few days ago for $3300 here in Colorado. The problems I'm having are as follow: Dieseling after key is turned off, can't go WOT fast have to roll on and even then cant go past 50mph or 25% throttle if that without...
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